AirHint found the following cheapest return flights from Porto (OPO) to Bangkok (BKK) in January 2026 (see full year).

Return flights

18 Jan - 27 Jan	Ryanair
15 Jan - 25 Jan	Ryanair
15 Jan - 24 Jan	Ryanair
18 Jan - 03 Feb	Ryanair
18 Jan - 29 Jan	Ryanair
18 Jan - 26 Jan	Ryanair
18 Jan - 25 Jan	Ryanair
20 Jan - 03 Feb	Ryanair
22 Jan - 10 Feb	Ryanair
17 Jan - 01 Feb	easyJet
24 Jan - 04 Feb	Vueling Airlines
17 Jan - 31 Jan	easyJet
17 Jan - 29 Jan	easyJet
15 Jan - 30 Jan	Ryanair
19 Jan - 31 Jan	Ryanair
29 Jan - 17 Feb	Ryanair
29 Jan - 18 Feb	Ryanair
28 Jan - 20 Feb	Ryanair
28 Jan - 23 Feb	Vueling Airlines
28 Jan - 18 Feb	Ryanair

Also check the deals for one-way flights from Porto to Bangkok in January.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Porto to Bangkok in January from $690

Return flights